blackhead disease

noun

1

: a disease of the banana caused by eelworms of the family Tylenchidae

2

: a rot of the banana rootstock caused by a fungus (Thielaviopsis paradoxa)

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now